频率曲线

Taking a physical inventory means making a systematic count of all merchandise on hand .

曲线A可用以刻画食品商人手中易霉货物储备天数的频率分布。

RESULTS The trend of dynamic frequency response of piezoelectric coagulation corresponded with the inverse S curve F =（f0-△f）＋△f/1＋e^（t-t0）/dtderived from theory according to the change regularity of the viscosity and density in the reaction system.

结果 根据反应体系黏度密度变化规律，理论推导出体外凝血反应过程，中压电频率动态响应规律符合F=（f0-△f）＋△f/1＋e^（t-t0）/dt等‰模型；根据该模型建立了新的反S拟合曲线法；与既有的最大拟合曲率法相比，前者检测速度更快（P〈0.01），重复性更好（P〈0.01）。

In order to improve and simplify the solution, the relationship between frequency and cable tension was studied by conducting numerical iterative computation. Furthermore, the format of the existing formula for cable tension identification was investigated, and one set of practical formula for cable tension identification were proposed by employing numerical fitting method.

为提高精度及简化计算，通过分析迭代计算得到的反映频率与索力相关关系的曲线，和已有索力识别经验公式的形式特点，进行数值拟合，提出一组索力计算的实用公式。

When we measure the kurtosis of a distribution, we are measuring its peakedness.

度量一条频率分布曲线的尖削度就是度量其顶部的峰态。

In Chapter 7, we have further studied the implementations of 2D Leapfrog digital filters.

设计实例的计算机仿真获得的2-D频率响应曲线，证明我们的2-D跳耦型数字滤波器的设计理论是正确的。

Ship to receive satellite signals for ships and satellites to changes in the relative position of the frequency of changes, called the Doppler frequency shift can be used to determine the satellite position, while the ship's position is located in a satellite location for the focus of hyperboloid , taking into account pairs of curved intersection line with the Earth's surface, then the boat is located on the intersection of two curves.

航船上接收卫星讯号因船与卫星相对位置的变化而发生频率变化，叫做多普勒频移，可用于确定卫星位置，而船位位于以卫星位置为焦点的双曲面上，考虑到双曲面与地球表面的交线，则船位于两条曲线的交点上。

In granularity characteristic of sediment, after typhoon attacking, beach sediment incline to coarse, gravel content added, but part beach sediment show fine, sediment sorting becomes worse, skewness value minished, skewness changes to negative skewness direction, kurtosis value increased, the curves of sediment frequency distributing display double apices.

在沉积物粒度特征上，风后海滩沉积物以粗化现象为主，砾石含量增加，部分海滩沉积物出现细化现象，沉积物分选性变差，偏态值减小，偏态向负偏方向变化，峰态值增加，风后沉积物频率分布曲线多双峰分布。

The non symmetric vibrating character of shaking table is an important factor influencing on shaking table separation and is also the main basis for determining correctly the parameters of shaking table .

针对这一问题，根据实测的摇床振动位移曲线，利用频率分析法和近似积分的原理，采用 E1、E2和 C参数的差动特性系数对摇床差动特性进行了综合评定。

Finally, the so called critical oscillation frequency can be expressed as a function of oscillation amplitude and Grashof number in all the natural, mixed, and forced convection scenes.

最后，有关临界振动频率的经验公式在强制对流、混合对流以至於自然对流的形式皆不相同，本文皆已分别推导出来，且在三种的对流形式中都有相当平滑的曲线可以获得。

In this paper,a new method of measuring the resonant frequency of the RLC parallel resonance circuit was intro- duced,which makes the asymmetric amplitude-frequency curve symmetric.

介绍了用Origin变换坐标，将不对称的RLC并联电路的幅频特性曲线对称变换，从而精确求解其共振频率的方法。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。